A friendly competition between American and Canadian Home Builders. Lowest HERS® score in all categories wins! The home must be a 3rd party rated between January 26, 2019, and January 24, 2020 Awards will be presented at the 2020 RESNET Building Performance Conference in Scottsdale, AZ TO ENTER: Please submit builder information, HERC report including HERS Score and a picture of the house to rod@renewability.com Challenge submission deadline is January 24, 2020, at 9:00 pm EST.